Stable Sonar Transducer: The sonar transducer of the portable fish finder is working stable and reliable both in freshwater and saltwater. It offers a 45° beam angle underwater in 200Khz which supports maximum 328ft/100m water depth detection. There is a 25ft/ 7.62 m extension cable and an anti-fish bite plastic float comes with the sonar transducer. The portable fish finder is USB rechargeable by a built-in lithium battery.
Data Display: The fish finder displays water depth and temperature on the left top. The measurement unit can be freely changed in FT/M and /. Besides water depth and fish location, you can also choose a particular underwater area to watch the size and location of the fishes.
Ideal for Fishing: LUCKY waterproof fish finder is widely applied in ice fishing, kayak fishing, boat fishing and bank fishing. The portable fish finder can be working for 5~6 hours continuously after fully charged. Once the battery save mode is turned on, it could be working even longer than 10 hours.